michele obama. talking about the new book that pays homage to the first lady. >>> the buildup to monday's presidential inauguration is in full swing this friday afternoon, perhaps nowhere more so than here at the d.c. convention center. i'm bob barnard. i'll tell you why when i take you on a behind-of-the-scenes behind-the-scenes tour. >>> the first inaugural event kick off tomorrow in communities all across the country and on the national mall devoted to national service. more on the last-minute work being done for what's in store. >> reporter: the d.c. convention center is hosting all three inaugural events. beside the swearing in ceremony and the parade, as you might imagine, this place is buzzing right now. there were six inaugural balls. the three this time around or the children's inaugural, saturdays day night in this cavernous hall and then monday night, the inaugural ball and the commander in chief ball in this room, mostly enlisted members and their families. >> it's very importan